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Cheap flights from Phnom Penh to Sydney from $1,407

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phnom Penh to Sydney departing on 6/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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PNH-SYD
11317 kmmulti-stop
Multiple Airlines Logo
SYD-PNH
11317 kmmulti-stop
Multiple Airlines
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momondo Fare Finder

 
Customise your flight search to find flights from Phnom Penh to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 16 October 2025.
Use the filters below to find and compare flights from Phnom Penh to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Phnom PenhSydney

PNH - SYD

PNHSYD

Phnom Penh Pochentong

Thu 6/11

23:55-08:20

1 stop28h 25m

$1,407

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Phnom Penh to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Sydney?

The month of October is, on average, the cheapest month to fly to Sydney from Phnom Penh, with most prices found around $1,089. If you aren’t able to travel to Sydney during the month of October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,109.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Wednesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,285. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $1,576.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from Phnom Penh to Sydney in the morning for as low as $1,259. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are $1,744 on average. Flights to Sydney from Phnom Penh at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Phnom Penh when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,326 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Phnom Penh for as low as $998 on momondo.

How have Phnom Penh to Sydney flight prices changed over time?

As of October 2025, prices for Phnom Penh to Sydney flights are approximately 32% more expensive when compared to flights at the same time last year.

When to book flights from Phnom Penh to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Phnom Penh to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Phnom Penh to Sydney (PNH to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phnom Penh to Sydney

Direct flights

None
There are no direct flights from Phnom Penh to Sydney. There are no popular flight routes from Phnom Penh to Sydney.
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  • How far is Phnom Penh Pochentong to Sydney Kingsford Smith by plane?

    Phnom Penh Pochentong and Sydney Kingsford Smith are 7026.6 km apart from one another.

  • When did momondo last update prices for flights from Phnom Penh Pochentong Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Phnom Penh Pochentong Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Phnom Penh Pochentong Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Phnom Penh Pochentong Airport to Sydney Kingsford Smith Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Phnom Penh Pochentong Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Phnom Penh to Sydney?

Best airlines flying from Phnom Penh to Sydney

Compare and see reviews for airlines that fly from Phnom Penh to Sydney with momondo
Airline
Rating
Free cancellation
Price
XiamenAirPriceFrom $701Free cancellationRating
6.6
41 reviews
Search XiamenAir flights
China SouthernPriceFrom $705Free cancellationRating
7.4
116 reviews
Search China Southern flights
Cathay PacificPriceFrom $1,027Free cancellationRating
7.6
1,028 reviews
Search Cathay Pacific flights
Vietnam AirlinesPriceFrom $1,120Free cancellationRating
7.5
203 reviews
Search Vietnam Airlines flights
Singapore AirlinesPriceFrom $1,135Free cancellationRating
8.1
1,382 reviews
Search Singapore Airlines flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Penrith
Katoomba
Lithgow
Leura
Manly
Bondi Beach
Coogee
Randwick
Cronulla
Charlestown
Newport
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Phnom Penh to Sydney?

Finding the right flight to Sydney from Phnom Penh is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sydney quick and easy, saving you time and money.

Can I find flights from Phnom Penh to Sydney with flexible booking policies on momondo?

All flight searches from Phnom Penh to Sydney on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Phnom Penh to Sydney?

momondo provides multiple filters to help you find the best flight to Sydney from Phnom Penh. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Phnom Penh to Sydney right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Phnom Penh and alert you when they change.

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